Finding the Fourth Proportional to 10,249.57, 14,144.49 and 5,772.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,249.57 : 14,144.49 = 5,772.43 : x
2. Step 2: Convert to fraction form
   10,249.57/14,144.49 = 5,772.43/x
3. Step 3: Cross multiply
   10,249.57x = 14,144.49 × 5,772.43
4. Step 4: Simplify right side
   10,249.57x = 81,648,078.41
5. Step 5: Solve for x
   x = 81,648,078.41/10,249.57
6. Step 6: Final answer
   x = 7,966.00